how could i extract labels and information from adobe geospatial or dgn file and write in excel file

i would like to extract the whole attributes from pdf adobe Geospatial pdf .

what i did exactly and iam not sure if i extracted the data to be as DGN and it seems good with text on it but my question exactly say if the data is geospatial pdf or dgn ,Does it ossible to extract the information that included inside the data .

in my data it looks like nodes and lines connected together and lines connected to lines also

each lines has labels ,i would like to extarct each labels include inside it and know which labels connected to which labels as shown inside the file .

Is it possible to do ,and if yes ,could someone guide me how to do it .

by the way when my reader in FME read my data ,it reads it as pdf no layer is it problem bcs i saw some videos include too many layers excet my file ,write pdf_no layer

Thanks alot for any help or suggestions.